The answer is number a is true
Answer:
So he followed the suggestion of a seer in Kaua'i and built a massive new heiau for devotion and sacrifices to Kamehameha's war deity Ku at Pu'ukohola in Kawaihae. Kamehameha planned to receive spiritual strength as a result, allowing him to conquer the island.
I do believe that, after research, it is C, Coltan.
Correct me if I am wrong, but do have a good day!
C. <span>Early humans were forced to move to new environments.
Hope I helped :)</span>